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DTF: Diesel dominates commercial truck, transit and school bus fleets in US

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Diesel is the predominant technology in commercial trucking, school, and transit bus sectors, according to the Diesel Technology Forum’s analysis of data sourced from S&P Global Mobility TIPNet data of vehicles in operation for Class 3-8 as of December 2021. Of the largest trucks (Class 8) in operation, 97% are diesels.

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Audi banking on Gen 2 3.0L TDI diesel for US sales; calls for a “fair shot” for diesel

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Audi of America introduced four new TDI clean diesel models for the US market this year—the Audi A8, A7, A6, Q5—along with an updated Q7 TDI, all equipped with a second-generation 3.0L V6 TDI diesel engine. ” One of our primary goals and objectives is to level the playing field for clean diesel vehicles.

Diesel 366
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New inventory of black carbon emissions from China finds 2007 levels higher than previously reported

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for year 2007. A new black carbon (BC) emissions inventory from China found BC emissions levels in 2007 of 1,957 Gg BC—higher than reported in earlier studies. 2007); and predicted national data from the National Long-term Development Plan (NLDP) (2008?2050). 2007 were used in this study. Credit: ACS, Wang et al.

2007 271
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Study estimates global black carbon emissions up 72% from 1960-2007; BC emissions intensity down 52%

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teragrams per year in 2007 (+72%). On the other hand, the BC emission intensities had increased in the industrial and agricultural sectors, mainly due to an expansion of low-efficiency industry (coke and brick production) in developing countries and to an increasing usage of diesel in agriculture in developed countries.

2007 268
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New split-cycle concept to control diesel HCCI combustion

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A team from Universita degli Studi di Pisa (Italy) and Rolf Reitz at the University of Wisconsin-Madison are proposing a novel combustion concept—Homogenous Charge Progressive Combustion (HCPC)—based on a split-cycle principle to control HCCI combustion in diesel-fueled engines. ICEF2007-1743 (2007). —Musu et al.

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CDTi launches DuraFit line of replacement diesel particulate filters

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Clean Diesel Technologies, Inc. officially launched DuraFit, its new line of all makes original equipment manufacturer (OEM) replacement diesel particulate filters (DPFs), leveraging its proprietary catalyst technology within a new market segment.

Diesel 284
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US exports of petroleum products up more than 60% since 2007 as markets become more globally integrated

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Total US exports of finished petroleum products have increased more than 60% since 2007 as markets have become more globally integrated, according to the US Energy Information Administration (EIA). exports of gasoline and distillate increased by 133% and 144%, respectively, from 2007 to 2010. Annual U.S. Annual U.S.

2007 273